The Smith and Wesson®M&P slide cover plate is made from 6061 T6 Aluminum, CNC machined and hard coat anodized. The slide cover plate is designed for the M&P 357, 40, 40c, 9 and 9c. Each plate is a perfect replacement for the factory plastic cover plate. All design and work are performed at the Molon Labe® facility in Arizona. Made in the U.S.A.Price: $21.95